Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Transmission (Assembly)
    Special Tool(s) Dial Indicator with Bracketry 100-002 (TOOL-4201-C) or Equivalent Gauge, Clutch Housing 308-021 (T75L-4201-A) Extension Housing Seal Replacer 308-227 (T94P-7657-A) Holding Fixture 307-0 ...

    Fuel Pressure Sensor
    Material Item Specification Super Premium SAE 5W-20 Motor Oil XO-5W20-DSP or equivalent WSS-M2C914- A Removal WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel related compo ...

    System Air Flow Description
    MAX A/C When MAX A/C is selected: The air inlet door vacuum control motor is at full vacuum, closing off outside air and admitting only recirculated air. The panel/defrost door vacuum control motor is at full vacuum and the panel/floor door vacu ...